NSK HR30315J

<h2>NSK HR30315J Tapered Roller Bearing</h2> <h3>Description</h3> <p>The NSK HR30315J is a high-reliability, single-row tapered roller bearing designed for superior performance under heavy radial and axial loads. Its precision engineering ensures optimal load distribution, leading to extended service life and enhanced operational efficiency. This bearing is suitable for a wide range of industrial machinery where durability and precision are critical.</p> <h3>Specifications</h3> <ul> <li>Bore Diameter (d): 75 mm</li> <li>Outside Diameter (D): 160 mm</li> <li>Total Width (T): 40 mm</li> <li>Cage Type: Stamped Steel (J Suffix)</li> <li>Series: HR High-Reliability</li> <li>Material: Case-Hardened Bearing Steel</li> <li>Load Type: Combined Radial and Axial</li> </ul> <h3>Label Info</h3> <ul> <li>Manufacturer: NSK Ltd.</li> <li>Model: HR30315J</li> <li>Markings: NSK, HR30315J, JAPAN F</li> </ul> <h3>Application</h3> <p>This bearing is commonly used in applications such as automotive wheel hubs, industrial gearboxes, rolling mills, agricultural machinery, and heavy construction equipment.</p> <h3>Country of Origin</h3> <p>Made in Japan.</p> <h3>CO2 Impact</h3> <p>By purchasing this pre-owned bearing, you help avoid the 7.92 kg of CO2 emissions associated with the production of a new one, contributing to a more sustainable industrial sector.</p> <h3>Availability</h3> <p>This item is in stock and ready for immediate dispatch. Order now from profideals for expert support and fast delivery.</p> <h3>FAQ</h3> <p><strong>What does the ‘HR’ prefix in HR30315J signify?</strong><br><p>The ‘HR’ prefix on an NSK tapered roller bearing stands for ‘High-Reliability’. These bearings are manufactured with high-quality case-carburized steel and have an optimized internal design for increased load capacity and longer service life compared to standard series bearings.</p> <strong>Can this HR30315J bearing be used in a paired arrangement?</strong><br><p>Yes, the HR30315J is designed for universal matching. It can be mounted in pairs, such as back-to-back (DB), face-to-face (DF), or tandem (DT) arrangements, to accommodate higher loads or provide specific levels of stiffness. Ensure proper preload and mounting procedures are followed for paired applications.</p> <strong>What type of lubrication is recommended for the HR30315J?</strong><br><p>The appropriate lubrication depends on the operating speed, load, and temperature of the application. Both grease and oil lubrication are suitable. For most general industrial applications with moderate speeds, a high-quality lithium-based grease (NLGI grade 2) is sufficient. For high-speed or high-temperature applications, oil lubrication (e.g., circulating oil or oil bath) is recommended. Always consult your machinery’s manual for specific lubrication requirements.</p> </p> <p><em>profideals is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.</em></p> <p>Friday, March 13, 2026</p>